| OCA | oculocutaneous albinism; olivopontocerebellar atrophy; oral contraceptive agent |
|---|---|
| OPCA | olivopontocerebellar atrophy |
| OPCD | olivopontocerebellar degeneration |
| SOPCA | sporadic olivopontocerebellar ataxia |
| olivopontocerebellar | Relating to the olivary nucleus, basis pontis, and cerebellum. (05 Mar 2000) |
|---|---|
| olivopontocerebellar atrophy | A collection of diseases with atrophy of the cerebellum, pons, and inferior olives described in 1900 by dejerine and thomas. Signs and symptoms include ataxia of trunk and limbs, dysarthria, intention tremor, followed by generalised rigidity and dementia. (12 Dec 1998) |
| olivopontocerebellar degeneration | <neurology> An inherited disease especially. Of mid to late life that is characterised by ataxia, hypotonia, dysarthria, and degeneration of the cerebellar cortex, middle cerebellar peduncles, and inferior olives. (09 Oct 1997) |
| olivopontocerebellar a. |
any of a group of progressive hereditary disorders involving degeneration of the cerebellar cortex, middle peduncles, ventral pontine surface, and olivary nuclei. They occur in the young to middle-aged and are characterized by ataxia, dysarthria, and tremors similar to those of parkinsonism. Both autosomal dominant and autosomal recessive types have been distinguished. Called also olivopontocerebellar degeneration and Dejerine-Thomas syndrome.
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